Haier HPU-90CA03T3 operation manual Others

Page 28

Others

1. Power supply

The parameter of power cord is over 2.5mm2.

Air conditioner must use an exclusive line (over 30A)

When installation air conditioner in a wet place, try to use a circuit breaker against Current leakage.

For installation in other places, use circuit breaker as far as possible.

The breaker of the air conditioner should be all-pole switch ; and the distance between its two contacts should be no less 3 mm.

Such means for disconnection must be incorporation in the fixed wiring

2. Pipe cutting and flaring

Be sure to carry out deburring after pipe cutting with a pipe cutter. Insert flaring tool to make a flare.

AFlaring tool

 

Pipe dia.

Dimension A(mm)

 

 

 

Liquid pipe

12.7mm (1/2")

1.2 ~ 2.0

 

 

 

Correct

Incorrect

Lean Damaged flare Crack

Partial Too outside

Installation inspection and test run:

Please operate unit according to this Manual.

Items to be checked during test run. Please made a " "in " "

Are there any gas leakage?

How is insulation at piping connection carried out?

Are electric wires of indoor and outdoor unit firmly inserted into terminal block? Is electric wiring of indoor and outdoor securely fixed?

Is drainage securely carried out?

Is earth line ( grounding ) securely connected? Is power supply voltage abided by the code? Is there any noise?

Is control display normal? Is cooling operation normal?

Is room temp. regulator normal?

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Contents Cabinet unit Name of Parts Outdoor unitParts and Functions Operation points Safety Precautions Applicable ambient temperature rangeOperation Unit startFan Operation Users’ Attention Windows should be hung with curtains or blindsMaintenance Remove air inlet grilleAfter season maintenance Trouble shooting Followings are not problemsWhen problems occur? Switch is not set At onWhen Troubles Occur ? SymptomInstallation instruction Installation instruction Standard accessoriesInstallation procedure Before installationInstallation procedure Installation of indoor unitInstallation of fall-prevention fitting metal Indoor unit Slope Good Main points of installation refrigerant pipe Outdoor unit Unit Clearances Tubing connection Matters needing attention Check for leakage Vacuum PumpingRefrigerant charge Refill refrigerantOpen all valves Heat isolation of the pipesPressing method of connection wire Wiring method Wiring method of orbicular terminalConnect wire between indoor & outdoor unit Others Calculation of refrigerant density Preventive measures against excess of critical valuePage